Latest Updates: Google's Gemini Joins List of AI Models That Hacked, and CISA Retires Weekly Vulnerability Bulletin

Preview text: The Security Boulevard Brief — September 21, 2026 WEEK OF SEPTEMBER 21 – 27, 2026 Weekly…

Monday, Sep 21, 2026 at 4:35 PM EasternHubSpot

Security BoulevardLatest Updates: Google's Gemini Joins List of AI Models That Hacked, and CISA Retires Weekly Vulnerability Bulletin

Fit to screenFull size

Using this email in an article? Credit: Security Boulevard email via They Sent It, with a link to this page. Full-size image

Use this example

Subject: Latest Updates: Google's Gemini Joins List of AI Models That Hacked, and CISA Retires Weekly Vulnerability Bulletin
Preview text: The Security Boulevard Brief — September 21, 2026 WEEK OF SEPTEMBER 21 – 27, 2026 Weekly…
From: newsletters@techstronggroup.com
Brand: Security Boulevard
ESP: HubSpot
Sent: Mon Sep 21, 2026, 4:35 PM ET
Size: 58 KB
Images: 5
Links: 24, 5 of them buttons
Subject length: 116 characters

Against Security Boulevard's usual

Sent in the 4 PM hour, which holds 3% of its emails; 18% arrive in the 11 AM hour. The subject is 116 characters; its average is 83.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Security Boulevard Newsletters <[email protected]>
Reply-To: [email protected]
Subject: Latest Updates: Google's Gemini Joins List of AI Models That Hacked, and CISA Retires Weekly Vulnerability Bulletin
Date: Mon, 21 Sep 2026 16:35:05 -0400
Message-ID domain: bf52x.hubspotemail.net
Return-Path domain: bf52x.hubspotemail.net
DKIM signature: d=bf52x.hubspotemail.net s=hs2; d=techstronggroup.com s=hs2-1628905
List-Unsubscribe: Present, one-click
Feedback-ID sender: HubSpot

Other sending headers (names only): X-HS-Cid, X-Report-Abuse-To

	Sep 22, 2026 1:33 PM	Latest Updates: TSMC eyes sub-1.4nm, NVIDIA doubles chip sales, U.S. fabs face a 157K worker gap
	Sep 22, 2026 11:37 AM	Today's Signal: GitLab reins in AI agents, Trump’s AI Force raises questions, AI training tests copyright
	Sep 22, 2026 9:56 AM	48 Hours to go and FREE to Attend: DevOps Experience 2026 — Register Before Spots Fill
	Sep 21, 2026 4:35 PM	Latest Updates: Google's Gemini Joins List of AI Models That Hacked, and CISA Retires Weekly Vulnerability Bulletin (this email)
	Sep 21, 2026 3:51 PM	DevOps Dozen 2026 Nominations Are Open
	Sep 21, 2026 11:41 AM	Smarter Incident Response Without the Data Bloat
	Sep 21, 2026 10:54 AM	Today's Signal: Battle of the Presidents, AI Copyright Ruling Worries Open Source, Harness Rethinks Agentic Dev